dokuwiki/inc/Form/CheckableElement.php

84 lines
2.2 KiB
PHP

<?php
namespace dokuwiki\Form;
/**
* Class CheckableElement
*
* For Radio- and Checkboxes
*
* @package dokuwiki\Form
*/
class CheckableElement extends InputElement
{
/**
* @param string $type The type of this element
* @param string $name The name of this form element
* @param string $label The label text for this element
*/
public function __construct($type, $name, $label)
{
parent::__construct($type, $name, $label);
// default value is 1
$this->attr('value', 1);
}
/**
* Handles the useInput flag and sets the checked attribute accordingly
*/
protected function prefillInput()
{
global $INPUT;
list($name, $key) = $this->getInputName();
$myvalue = $this->val();
if (!$INPUT->has($name)) return;
if ($key === null) {
// no key - single value
$value = $INPUT->str($name);
if ($value == $myvalue) {
$this->attr('checked', 'checked');
} else {
$this->rmattr('checked');
}
} else {
// we have an array, there might be several values in it
$input = $INPUT->arr($name);
if (isset($input[$key])) {
$this->rmattr('checked');
// values seem to be in another sub array
if (is_array($input[$key])) {
$input = $input[$key];
}
foreach ($input as $value) {
if ($value == $myvalue) {
$this->attr('checked', 'checked');
}
}
}
}
}
/**
* The HTML representation of this element wrapped in a label
* Note: allow HTML tags in label text
*
* @return string
*/
public function toHTML()
{
if ($this->label) {
return '<label '. buildAttributes($this->label->attrs()) .'>'.DOKU_LF
. $this->mainElementHTML() .DOKU_LF
.'<span>'. $this->label->val() .'</span>'.DOKU_LF
.'</label>';
} else {
return $this->mainElementHTML();
}
}
}